US6552572B1 - Clock gating cell for use in a cell library - Google Patents
Clock gating cell for use in a cell library Download PDFInfo
- Publication number
- US6552572B1 US6552572B1 US09/999,726 US99972601A US6552572B1 US 6552572 B1 US6552572 B1 US 6552572B1 US 99972601 A US99972601 A US 99972601A US 6552572 B1 US6552572 B1 US 6552572B1
- Authority
- US
- United States
- Prior art keywords
- clock
- latch
- signal
- gating cell
- recited
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Abstract
Description
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/999,726 US6552572B1 (en) | 2001-10-24 | 2001-10-24 | Clock gating cell for use in a cell library |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/999,726 US6552572B1 (en) | 2001-10-24 | 2001-10-24 | Clock gating cell for use in a cell library |
Publications (1)
Publication Number | Publication Date |
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US6552572B1 true US6552572B1 (en) | 2003-04-22 |
Family
ID=25546629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/999,726 Expired - Lifetime US6552572B1 (en) | 2001-10-24 | 2001-10-24 | Clock gating cell for use in a cell library |
Country Status (1)
Country | Link |
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US (1) | US6552572B1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040150427A1 (en) * | 2003-01-20 | 2004-08-05 | Wilcox Stephen Paul | Clock gating for synchronous circuits |
EP1612936A2 (en) * | 2004-06-30 | 2006-01-04 | Infineon Technologies AG | Device for clock control |
US7042267B1 (en) * | 2004-05-19 | 2006-05-09 | National Semiconductor Corporation | Gated clock circuit with a substantially increased control signal delay |
US20060097754A1 (en) * | 2004-11-05 | 2006-05-11 | Min-Su Kim | Gated clock logic circuit |
US20070008024A1 (en) * | 2005-07-11 | 2007-01-11 | Chi-Ting Cheng | Gate Clock Circuit and Related Method |
US20070008025A1 (en) * | 2005-07-11 | 2007-01-11 | Po-Yo Tseng | Gate Clock Circuit and Related Method |
US20090006012A1 (en) * | 2007-06-20 | 2009-01-01 | Kabushiki Kaisha Toshiba | Power consumption analyzing apparatus and power consumption analyzing method |
US20090267649A1 (en) * | 2008-04-29 | 2009-10-29 | Qualcomm Incorporated | Clock Gating System and Method |
US20100109707A1 (en) * | 2008-11-03 | 2010-05-06 | Freescale Semiconductror, Inc | Low power, self-gated, pulse triggered clock gating cell |
US7884649B1 (en) * | 2009-02-27 | 2011-02-08 | Magma Design Automation, Inc. | Selection of optimal clock gating elements |
KR101252698B1 (en) | 2009-04-29 | 2013-04-09 | 퀄컴 인코포레이티드 | Clock gating system and method |
US8434047B1 (en) | 2007-05-29 | 2013-04-30 | Synopsys, Inc. | Multi-level clock gating circuitry transformation |
US8643411B1 (en) * | 2012-10-31 | 2014-02-04 | Freescale Semiconductor, Inc. | System for generating gated clock signals |
US10423215B2 (en) | 2017-05-15 | 2019-09-24 | Cavium, Llc | Methods and apparatus for adaptive power profiling in a baseband processing system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6318911B1 (en) * | 1997-04-01 | 2001-11-20 | Kabushiki Kaisha Toshiba | Gated clock design supporting method, gated clock design supporting apparatus, and computer readable memory storing gated clock design supporting program |
-
2001
- 2001-10-24 US US09/999,726 patent/US6552572B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6318911B1 (en) * | 1997-04-01 | 2001-11-20 | Kabushiki Kaisha Toshiba | Gated clock design supporting method, gated clock design supporting apparatus, and computer readable memory storing gated clock design supporting program |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040150427A1 (en) * | 2003-01-20 | 2004-08-05 | Wilcox Stephen Paul | Clock gating for synchronous circuits |
US7095251B2 (en) * | 2003-01-20 | 2006-08-22 | Azuro (Uk) Limited | Clock gating for synchronous circuits |
US7042267B1 (en) * | 2004-05-19 | 2006-05-09 | National Semiconductor Corporation | Gated clock circuit with a substantially increased control signal delay |
DE102004031669B3 (en) * | 2004-06-30 | 2006-02-09 | Infineon Technologies Ag | Clock control cell |
US20060001468A1 (en) * | 2004-06-30 | 2006-01-05 | Sascha Siegler | Clock control cell |
EP1612936A3 (en) * | 2004-06-30 | 2007-07-25 | Infineon Technologies AG | Device for clock control |
US7274240B2 (en) | 2004-06-30 | 2007-09-25 | Infineon Technologies Ag | Clock control cell |
EP1612936A2 (en) * | 2004-06-30 | 2006-01-04 | Infineon Technologies AG | Device for clock control |
US20060097754A1 (en) * | 2004-11-05 | 2006-05-11 | Min-Su Kim | Gated clock logic circuit |
US7365575B2 (en) * | 2004-11-05 | 2008-04-29 | Samsung Electronics Co., Ltd. | Gated clock logic circuit |
US20070008024A1 (en) * | 2005-07-11 | 2007-01-11 | Chi-Ting Cheng | Gate Clock Circuit and Related Method |
US20070008025A1 (en) * | 2005-07-11 | 2007-01-11 | Po-Yo Tseng | Gate Clock Circuit and Related Method |
US8434047B1 (en) | 2007-05-29 | 2013-04-30 | Synopsys, Inc. | Multi-level clock gating circuitry transformation |
US20090006012A1 (en) * | 2007-06-20 | 2009-01-01 | Kabushiki Kaisha Toshiba | Power consumption analyzing apparatus and power consumption analyzing method |
US7908100B2 (en) * | 2007-06-20 | 2011-03-15 | Kabushiki Kaisha Toshiba | Power consumption analyzing apparatus and power consumption analyzing method |
US20090267649A1 (en) * | 2008-04-29 | 2009-10-29 | Qualcomm Incorporated | Clock Gating System and Method |
WO2009135226A3 (en) * | 2008-04-29 | 2010-09-10 | Qualcomm Incorporated | Clock gating system and method |
US7902878B2 (en) | 2008-04-29 | 2011-03-08 | Qualcomm Incorporated | Clock gating system and method |
JP2011526091A (en) * | 2008-04-29 | 2011-09-29 | クゥアルコム・インコーポレイテッド | Clock gating system and method |
WO2009135226A2 (en) * | 2008-04-29 | 2009-11-05 | Qualcomm Incorporated | Clock gating system and method |
EP2620833A1 (en) * | 2008-04-29 | 2013-07-31 | Qualcomm Incorporated | Clock gating system and method |
US7808279B2 (en) | 2008-11-03 | 2010-10-05 | Freescale Semiconductor, Inc. | Low power, self-gated, pulse triggered clock gating cell |
US20100109707A1 (en) * | 2008-11-03 | 2010-05-06 | Freescale Semiconductror, Inc | Low power, self-gated, pulse triggered clock gating cell |
US7884649B1 (en) * | 2009-02-27 | 2011-02-08 | Magma Design Automation, Inc. | Selection of optimal clock gating elements |
KR101252698B1 (en) | 2009-04-29 | 2013-04-09 | 퀄컴 인코포레이티드 | Clock gating system and method |
US8643411B1 (en) * | 2012-10-31 | 2014-02-04 | Freescale Semiconductor, Inc. | System for generating gated clock signals |
US10423215B2 (en) | 2017-05-15 | 2019-09-24 | Cavium, Llc | Methods and apparatus for adaptive power profiling in a baseband processing system |
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